As a case of Huashaoying to Weixian Section of Zhangjiaokou to Shijiazhuang Expressway,the roughing technique was introduced to the concrete deck paving.

• 以张石公路化稍营至蔚县(张保界)段高速公路为依托,对混凝土桥面冲毛技术进行研究和推广。